So is the bike fastest at point 2 then? Is potential energy present? As you can tell from my name, I'm a dummy when it comes to physics, so I'd appreciate it if you can shed some light on this!:smile:
Homework Statement
A boy paddles his bike as fast as he can from point 1 to point 2. At point 2, he releases his feet from the pedal and coasts to point 7.
http://i649.photobucket.com/albums/uu220/mapo_tofu/picture-3.png
a)At which point did he travel fastest?
b)State the energy...
Homework Statement
A pendulum swings from a height and its string hits a nail as shown in the diagram. At which position A, B, or C will the bob end?
Homework Equations
The Attempt at a Solution
I think that the answer is B cos of law of conservation of energy. Is this the...